lottery

using System;

namespace lottery
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] guess = new int[5];
            int[] winningTicket = new int[5];
            Random r = new Random();

            //get ticket numbers from user
            for(int i = 0; i < guess.Length-1; i++)
            {
                guess[i] = getNum(1, 69);
            }

            // get last number
            guess[4] = getNum(1, 26);


            //generate winning ticket number
            for(int i = 0; i < winningTicket.Length-1; i++)
            {
                winningTicket[i] = r.Next(1, 69);
            }

            //generate last number
            winningTicket[4] = r.Next(1, 26);


            //print tickets
            Console.WriteLine("Your ticket");
            printTicket(guess);

            Console.WriteLine("Winning ticket");
            printTicket(winningTicket);


        }

        //prints out ticket numbers
        static void printTicket (int[] ticket)
        {
            foreach (int i in ticket)
            {
                Console.Write(i + " ");
            }
            Console.Write('\n');
        }

        //gets a number withen a range from user
        static int getNum(int bot, int top)
        {
            Console.Write($"Enter a ticket number between {bot} and {top}: ");


            //loop until input is a number and within range
            int num = isNum(Console.ReadLine());
            while(!(num>=bot) && !(num <= top))
            {
                Console.WriteLine("That is not a valid number");
                Console.Write($"Enter a ticket number between {bot} and {top}: ");
                num = isNum(Console.ReadLine());
            }

            //retrun valid input
            return num;
        }
        static int isNum(String num)
        {
            try
            {

                //try to parse num
                Int32.Parse(num);

                //string can be parsed to int, return parsed int
                return Int32.Parse(num);
            }catch(FormatException e)
            {

                //if format error occurs, string can not be converted to num, return -1
                return -1;
            }
        }
    }
}